Perhaps you should try some spelling variations:
sang tai » hang tai, sang tao, tang tai
cau luc » cau truc, cau phuc
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
tai hai » thi hai, dai hai, tai ha
hieu ve » hieu va, hieu van
sach ky » sac ky, sach ty, sach kem
cam luc » cam xuc
vi cua » vai cua, di cua
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so ((sach ky) or (sach y)) sang tai hai. hieu ve ((cam luc) OR (cau luc)) va danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((sach ky) OR (sach y)) sang tai hai. hieu ve ((cam luc) OR (cau luc)) va danh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((sach ky) or (sach y)) sang tai hai. hieu ve ((cam luc) OR (cau luc)) va danh vi cua te".
• Adding a wildcard symbol may retrieve word variants: so ((sach ky) or (sach y)) sang tai hai. hieu ve ((cam luc) OR (cau luc)) va danh vi cua te*.